If you have a sore throat and yellow sputum, it is better to consider bacteria causing upper respiratory tract infection at this time. First of all, take Chinese medicine to treat the symptoms of sore throat, you can take Pu Di Lan Anti-inflammatory Oral Liquid. It has both antiviral and antibacterial effects. If the effect is not too obvious and there is obvious yellow pus sputum, you may need to take antibiotics for treatment, for example, you can take cephalexin or cephalexin hydroxybenzyl, both are possible. If there is allergy to cephalosporin, azithromycin can be taken for treatment. Azithromycin only needs to be taken once a day, and the first dose needs to be doubled. If there is more yellow phlegm, you need to take phlegm-eliminating drugs, which are more effective for yellow phlegm, such as Ambroxol, Myrtle Oil, Lung Power Cough Compound and so on. In addition, you need to drink more water. Drinking more water can moisten the airway, facilitate the discharge of phlegm and weaken the inflammatory response of the airway.